Roy Greeff
85Patents
18h-index
34Co-inventors
84Inventor score
Filing activity: May 29, 1992 → Dec 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6356106B1 | Active termination in a multidrop memory system | Electricity | 226 | Expired |
| US6075973A | Method of communications in a backscatter system, interrogator, and backscatter communications system | Physics | 167 | Expired |
| US6192222A | Backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods | Physics | 145 | Expired |
| US6871253B2 | Data transmission circuit for memory subsystem, has switching circuit that selectively connects or disconnects two data bus segments to respectively enable data transmission or I/O circuit connection | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6459726B1 | Backscatter interrogators, communication systems and backscatter communication methods | Electricity | 103 | Expired |
| US6882082B2 | Memory repeater | Physics | 81 | Expired |
| US6169474A | Method of communications in a backscatter system, interrogator, and backscatter communications system | Physics | 75 | Expired |
| US6603391B1 | Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator | Physics | 73 | Expired |
| US6324211A | Interrogators communication systems communication methods and methods of processing a communication signal | Electricity | 72 | Expired |
| US6229987A | Method of communications in a backscatter system, interrogator, and backscatter communications system | Physics | 66 | Expired |
| US6600905B2 | Communication system, interrogators and communication methods | Physics | 66 | Expired |
| US6356764B1 | Wireless communication systems, interrogators and methods of communicating within a wireless communication system | Electricity | 60 | Expired |
| US7592898B1 | Wireless communication systems, interrogators and methods of communicating within a wireless communication system | Physics | 41 | Expired |
| US5719908A | Digital/analog bit synchronizer | Electricity | 24 | Expired |
| US6745268B1 | Capacitive multidrop bus compensation | Physics | 23 | Expired |
| US7091828B2 | Interrogators, methods of operating a coherent interrogator, backscatter communication methods, interrogation methods, and signal processing methods | Physics | 21 | Expired |
| US5485484A | Digitally implemented phase and lock indicators for a bit synchronizer | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7245145B2 | Memory module and method having improved signal routing topology | Emerging Cross-Sectional Technologies | 19 | Expired |
| US8351968B2 | Wireless communication systems, interrogators and methods of communication within a wireless communication system | Electricity | 17 | Active |
| US5568521A | Phase lock indicator circuit for a high frequency recovery loop | Electricity | 17 | Expired |
| US8855169B2 | Methods and apparatus for RFID tag communications | Electricity | 16 | Active |
| US7444559B2 | Generation of memory test patterns for DLL calibration | Physics | 14 | Expired |
| US9948300B1 | Apparatuses and methods for partial bit de-emphasis | Electricity | 12 | Active |
| US7242213B2 | Memory module and method having improved signal routing topology | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6255993A | Right and left hand circularly polarized RFID backscatter antenna | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.